English noun: diatom | |||
| 1. | diatom (animal) microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica | ||
| Broader (hypernym) | alga, algae, phytoplankton | ||
| Member meronym | Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae, Diatomophyceae | ||